Gray "dress" sweatpants
No, no, no, a thousand times, no.
Whence the idea that creative people simply cannot be cabined by the strictures of clothing styles refined to perfection over the course of more than a century?
Also: You can pay $90 at Macy's or Nordstrom for a real pair of nice gray dress pants that, wow, are also comfortable!
h/t Alan for the link.